Lazy IITians – Viva Prep

Aug 16, 2026

Copy set link

1

- show your id card.

Times asked 1

Official solution

SimpleCamera pe clearly college/IITM ID dikhao — naam aur photo match hone chahiye.
Viva tipPehle se ID haath mein rakho, glare mat aane do. Iske baad GitHub + project run.
2

- what is your app do explain your app and idea behind it.

Times asked 1

Official solution

SimpleCode explain formula: input kya aaya → auth/validation → DB change → response/UI.
Viva tipFunction signature + 3-4 important lines + edge case.
3
- Relationship of tables.

Times asked 1
Official solution

Simpledb.relationship se object graph: lot.spots, booking.user. backref reverse side auto deta hai.
Example
```
spots = db.relationship('Spot', backref='lot', cascade='all, delete-orphan')
```
4
- What is lazy?

Times asked 1
Official solution

SimplePehle 1-line definition, phir apne MAD1 project mein file dikhao, phir chhota example.
Suggested flow1) Concept kya hai?
2) Mere code mein kahan?
3) Example / demo
4) Edge case
Example
```
# related file: models.py / routes / template
# formula: request → check/auth → DB → render/redirect
```
Viva tipExact line yaad nahi to honestly related part dikhao. Bluff mat karo.
5
- How you make one-one and one-to-many relationship?

Times asked 1
Official solution

Simpledb.relationship se object graph: lot.spots, booking.user. backref reverse side auto deta hai.
Example
```
spots = db.relationship('Spot', backref='lot', cascade='all, delete-orphan')
```
6

- What is CRUD, Show in your code where you use it ?

Times asked 1

Official solution

SimpleCRUD = Create Read Update Delete. Admin pe ek resource ke 4 ops dikhao.
7

- Explain Vertical and horizontal Scaling.

Times asked 1

Official solution

SimpleCode explain formula: input kya aaya → auth/validation → DB change → response/UI.
Viva tipFunction signature + 3-4 important lines + edge case.
8

- Explain any route / How admin login and go to dashboard?

Times asked 1

Official solution

SimpleCode explain formula: input kya aaya → auth/validation → DB change → response/UI.
Viva tipFunction signature + 3-4 important lines + edge case.
9
- Your project has dynamic or static page ?

Times asked 1
Official solution

SimplePehle 1-line definition, phir apne MAD1 project mein file dikhao, phir chhota example.
Suggested flow1) Concept kya hai?
2) Mere code mein kahan?
3) Example / demo
4) Edge case
Example
```
# related file: models.py / routes / template
# formula: request → check/auth → DB → render/redirect
```
Viva tipExact line yaad nahi to honestly related part dikhao. Bluff mat karo.
10
- Difference between GET and POST in login page where you use GET?

Times asked 1
Official solution

SimpleGET data read/show karta hai (idempotent). POST create/submit karta hai (form).
Example
```
@app.route('/login', methods=['GET', 'POST'])
def login():
    if request.method == 'POST':
        # validate + session
        ...
    return render_template('login.html')
```
11

- Which CSS you use ?

Times asked 1

Official solution

SimpleCSS page ko style karti hai — color, layout, font. HTML structure, CSS look.
h1 { color: navy; } .card { padding: 16px; } #logo { width: 80px; }
Selectors: element (h3), class (.btn), id (#nav), pseudo (:hover).
display:flex — ek line/row mein items, justify-content/align-items se center.
Multiple classes: saari apply, conflict pe specificity/order.
Responsive: media queries / Bootstrap grid. Bina CSS limited (old tables) — practically CSS chahiye.
12
- Which CSS is more useful for large project?

Times asked 1
Official solution

SimplePehle 1-line definition, phir apne MAD1 project mein file dikhao, phir chhota example.
Suggested flow1) Concept kya hai?
2) Mere code mein kahan?
3) Example / demo
4) Edge case
Example
```
# related file: models.py / routes / template
# formula: request → check/auth → DB → render/redirect
```
Viva tipExact line yaad nahi to honestly related part dikhao. Bluff mat karo.
13

- how data come in html ?

Times asked 1

Official solution

SimpleCode explain formula: input kya aaya → auth/validation → DB change → response/UI.
Viva tipFunction signature + 3-4 important lines + edge case.
14
- How models and frontend and backend interact with each other?

Times asked 1
Official solution

Simplemodels.py = har table ki class: columns, PK/FK, relationships. Yeh Model layer hai.
Suggested flow1) Classes list karo
2) Har table ka kaam 1 line
3) Relationships (1-M / M-M)
4) Constraints (unique, nullable)
Example
```
class Lot(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(80), nullable=False)
    spots = db.relationship('Spot', backref='lot', lazy=True)
```
15
- Run your app than create a trek.

Times asked 1
Official solution

Simplevenv activate → dependencies → DB create/migrate → flask run. Browser pe localhost dikhao.
Example
```
python -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt
flask run
```
16
- Search trek .

Times asked 1
Official solution

SimpleSearch: form/query param → ilike filter → results template.
Example
```
q = request.args.get('q', '').strip()
lots = Lot.query.filter(Lot.name.ilike(f'%{q}%')).all()
```

Advice: She is good and supportive when you stop answering than she help you by giving some concept hint. Go through your code's and you must know each functions ; )

See reviews Level1_93 MAD1 Level 1

Aug 16, 2026

Download all Download all

Copy set link

1

Open you code and explain the architecture of you app

Times asked 1

Official solution

SimpleMAD1 typical: Browser → Flask routes → validate/auth → SQLAlchemy → SQLite → Jinja response.
Suggested flowRequest → Route → Auth check → DB → render_template / redirect
2
Write the <form>syntax

Times asked 1
Official solution

SimpleORM = Object Relational Mapping. Tables → Python classes. Raw SQL kam likhte ho.
Example
```
class User(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    email = db.Column(db.String(120), unique=True)

User.query.get(5)  # SELECT ... WHERE id=5
```
3
Write a route for returning username from form

Times asked 1
Official solution

SimpleLive Flask coding: chhota route likho, save, browser/curl se test. Syntax error terminal mein padho.
Example
```
@app.route('/ping')
def ping():
    return jsonify(ok=True)

@app.route('/even/<int:n>')
def even(n):
    return 'even' if n % 2 == 0 else 'odd'
```

Advice: The most polite and nicest proctor. She waits for you if there is any issue..explain or repeat yhe questions.there is viva.vault and in there all the questions..do practice them and you will pass

See reviews Level2_135 MAD1 Level 2

Aug 16, 2026

Download all Download all

Copy set link

1

I think he is bit tired so he is not interested in the viva. he is also taking burb again and again

Times asked 1

Official solution

SimpleViva wrap-up hai. Short thanks + confirm submission ZIP latest hai.
2
First of all he asked me to open git hub

Times asked 1
Official solution

SimpleGitHub repo open karo: commits, collaborators, README. Examiner check karta hai tumne khud kaam kiya.
Example
```
Settings → Collaborators
Commits: regular messages, last-day dump nahi.
```
Viva tipPrivate repo access pehle de do. Main branch submitted ZIP se match honi chahiye.
3

He has not taken any demo I think he is in some hurry.

Times asked 1

Official solution

SimpleDemo script pehle se practice: 5–7 min, Admin + User roles, saare mandatory features.
Suggested flow1) Register/login user
2) Admin login — CRUD
3) Approval/blacklist
4) Booking/apply + edge case
5) Search
6) Logout
Viva tipBolte-bolte dikhao. Code tab kholna jab poochhein.
4

then he asked to add 2 treks

Times asked 1

Official solution

SimpleProject overview: problem → roles → main entities → key flows (register, book, admin approve).
Viva tip1 minute elevator pitch ready rakho, phir demo.
5

then he asked to create a staff

Times asked 1

Official solution

SimpleDemo script pehle se practice: 5–7 min, Admin + User roles, saare mandatory features.
Suggested flow1) Register/login user
2) Admin login — CRUD
3) Approval/blacklist
4) Booking/apply + edge case
5) Search
6) Logout
Viva tipBolte-bolte dikhao. Code tab kholna jab poochhein.
6
then asked to approve the staff as a admin

Times asked 1
Official solution

SimplePehle 1-line definition, phir apne MAD1 project mein file dikhao, phir chhota example.
Suggested flow1) Concept kya hai?
2) Mere code mein kahan?
3) Example / demo
4) Edge case
Example
```
# related file: models.py / routes / template
# formula: request → check/auth → DB → render/redirect
```
Viva tipExact line yaad nahi to honestly related part dikhao. Bluff mat karo.
7

then asked to assign the trek to staff

Times asked 1

Official solution

SimpleProject overview: problem → roles → main entities → key flows (register, book, admin approve).
Viva tip1 minute elevator pitch ready rakho, phir demo.
8

then asked to login as a trekker then asked to book trek

Times asked 1

Official solution

SimpleProject overview: problem → roles → main entities → key flows (register, book, admin approve).
Viva tip1 minute elevator pitch ready rakho, phir demo.
9

then asked to change status of the trek as a staff

Times asked 1

Official solution

SimpleProject overview: problem → roles → main entities → key flows (register, book, admin approve).
Viva tip1 minute elevator pitch ready rakho, phir demo.
10

then in all bookings tab as a trekker asked to add a column for assigned staff

Times asked 1

Official solution

SimpleProject overview: problem → roles → main entities → key flows (register, book, admin approve).
Viva tip1 minute elevator pitch ready rakho, phir demo.
11
then asked about delete cascade(not able to answer😭)

Times asked 1
Official solution

SimpleCascade parent delete pe children pe kya ho: delete-orphan related rows hata deta hai.
Example
```
db.relationship('Spot', cascade='all, delete-orphan')
```
Viva tipParking lot delete → uske spots/bookings policy clear bolo.
12
then asked about blueprint and did I implemented that in my code (which is not) so I simply said no.

Times asked 1
Official solution

SimpleBlueprint se app ko modules mein todte ho — auth, admin, user alag files. Scale + clean structure.
Example
```
auth_bp = Blueprint('auth', __name__, url_prefix='/auth')

@auth_bp.route('/login')
def login(): ...

app.register_blueprint(auth_bp)
```
Viva tipViva: 'kyun blueprint?' → separation of concerns, badi app maintainable.
13

then he asked "is the post method idempotent but the put is not is this statement correct" ( not able to answer )

Times asked 1

Official solution

SimpleIdempotent = same request N baar = same effect. GET/PUT/DELETE usually; POST create duplicate ho sakta hai.
14

And by this, viva is over which lasted 20 mins only.

Times asked 1

Official solution

SimpleViva wrap-up hai. Short thanks + confirm submission ZIP latest hai.

Advice: He is very rude in the third question I said what is the meaning of idempotent he said this is not your doubt clearing class it is your viva. And also don't Just memorize the questions present in this spreadsheet. Just do not panic in front of him and just practice questions like they are given above he usually ask these types of questions only. Good luck for your viva😉

See reviews Level2_84 MAD1 Level 2

Aug 16, 2026

Download all Download all

Copy set link

1

Then she asked me to demonstrate my application

Times asked 1

Official solution

SimpleDemo script pehle se practice: 5–7 min, Admin + User roles, saare mandatory features.
Suggested flow1) Register/login user
2) Admin login — CRUD
3) Approval/blacklist
4) Booking/apply + edge case
5) Search
6) Logout
Viva tipBolte-bolte dikhao. Code tab kholna jab poochhein.
2
asked have you developed it yourself or took help from AI?

Times asked 1
Official solution

SimplePehle 1-line definition, phir apne MAD1 project mein file dikhao, phir chhota example.
Suggested flow1) Concept kya hai?
2) Mere code mein kahan?
3) Example / demo
4) Edge case
Example
```
# related file: models.py / routes / template
# formula: request → check/auth → DB → render/redirect
```
Viva tipExact line yaad nahi to honestly related part dikhao. Bluff mat karo.
3
While I was showing she kept asking questions like:

Times asked 1
Official solution

SimplePehle 1-line definition, phir apne MAD1 project mein file dikhao, phir chhota example.
Suggested flow1) Concept kya hai?
2) Mere code mein kahan?
3) Example / demo
4) Edge case
Example
```
# related file: models.py / routes / template
# formula: request → check/auth → DB → render/redirect
```
Viva tipExact line yaad nahi to honestly related part dikhao. Bluff mat karo.
4
what kind of validation is this

Times asked 1
Official solution

SimpleValidation = input rules: required, email format, length, unique. Frontend UX, backend security — dono.
Example
```
if not email or '@' not in email:
    flash('Invalid email')
    return redirect(request.url)
if User.query.filter_by(email=email).first():
    flash('Email taken')
```
5

how is this thing done

Times asked 1

Official solution

SimpleCode explain formula: input kya aaya → auth/validation → DB change → response/UI.
Viva tipFunction signature + 3-4 important lines + edge case.
6

how you prevent not approved staff from login

Times asked 1

Official solution

SimpleCode explain formula: input kya aaya → auth/validation → DB change → response/UI.
Viva tipFunction signature + 3-4 important lines + edge case.
7
and some questions like this that how is this done and all

Times asked 1
Official solution

SimplePehle 1-line definition, phir apne MAD1 project mein file dikhao, phir chhota example.
Suggested flow1) Concept kya hai?
2) Mere code mein kahan?
3) Example / demo
4) Edge case
Example
```
# related file: models.py / routes / template
# formula: request → check/auth → DB → render/redirect
```
Viva tipExact line yaad nahi to honestly related part dikhao. Bluff mat karo.
8

after my demo she asked me to go to code

Times asked 1

Official solution

SimpleDemo script pehle se practice: 5–7 min, Admin + User roles, saare mandatory features.
Suggested flow1) Register/login user
2) Admin login — CRUD
3) Approval/blacklist
4) Booking/apply + edge case
5) Search
6) Logout
Viva tipBolte-bolte dikhao. Code tab kholna jab poochhein.
9

there she asked me to explain the files, the working of this app

Times asked 1

Official solution

SimpleCode explain formula: input kya aaya → auth/validation → DB change → response/UI.
Viva tipFunction signature + 3-4 important lines + edge case.
10
I explained my app.py, __init__.py, models, in models she asked questions about backref, cascade, relationships (and questions were asked on brief like how it works, what other thing can be used instead of this, where is it implemented in your app)

Times asked 1
Official solution

Simpledb.relationship se object graph: lot.spots, booking.user. backref reverse side auto deta hai.
Example
```
spots = db.relationship('Spot', backref='lot', cascade='all, delete-orphan')
```
11

then she moved to coding part where she asked me to add a field in the admin navbar, that shows location and staff name of all the treks, I kept it very simple then she asked me to make it look clean and add some bootstrap in it coz I didn't

Times asked 1

Official solution

SimpleLive coding: notepad/editor mein chhota Flask route / Jinja loop / model field. Calm raho, run karke dikhao.

Advice: She is calm and sweet asks many questions to test if you have really done all the work by yourself or not but gives time to think be prepared, you need to know everything that's done in your app

See reviews Level2_141 MAD1 Level 2

Aug 16, 2026

Download all Download all

Copy set link

1

• Register as Staff and approve from admin login

Times asked 1

Official solution

SimpleDemo script pehle se practice: 5–7 min, Admin + User roles, saare mandatory features.
Suggested flow1) Register/login user
2) Admin login — CRUD
3) Approval/blacklist
4) Booking/apply + edge case
5) Search
6) Logout
Viva tipBolte-bolte dikhao. Code tab kholna jab poochhein.
2

• show and explain CRUD features

Times asked 1

Official solution

SimpleCRUD = Create Read Update Delete. Admin pe ek resource ke 4 ops dikhao.
3
• tell me about backref and cascade

Times asked 1
Official solution

Simplebackref reverse attribute auto banata hai. back_populates dono sides explicitly naam dete ho — clearer.
Example
```
# backref
spots = db.relationship('Spot', backref='lot')
# spot.lot available

# back_populates
spots = db.relationship('Spot', back_populates='lot')
# Spot.lot = db.relationship('Lot', back_populates='spots')
```
4
• a few more theoretical questions

Times asked 1
Official solution

SimplePehle 1-line definition, phir apne MAD1 project mein file dikhao, phir chhota example.
Suggested flow1) Concept kya hai?
2) Mere code mein kahan?
3) Example / demo
4) Edge case
Example
```
# related file: models.py / routes / template
# formula: request → check/auth → DB → render/redirect
```
Viva tipExact line yaad nahi to honestly related part dikhao. Bluff mat karo.

Advice: Good proctor chill guy gives you enough time to answer the questions

See reviews level1_viva30 MAD1 Level 1

Aug 16, 2026

Download all Download all

Copy set link

1

demo, gave around 25 minutes

Times asked 1

Official solution

SimpleDemo script pehle se practice: 5–7 min, Admin + User roles, saare mandatory features.
Suggested flow1) Register/login user
2) Admin login — CRUD
3) Approval/blacklist
4) Booking/apply + edge case
5) Search
6) Logout
Viva tipBolte-bolte dikhao. Code tab kholna jab poochhein.
2
write model code

Times asked 1
Official solution

Simplemodels.py = har table ki class: columns, PK/FK, relationships. Yeh Model layer hai.
Suggested flow1) Classes list karo
2) Har table ka kaam 1 line
3) Relationships (1-M / M-M)
4) Constraints (unique, nullable)
Example
```
class Lot(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(80), nullable=False)
    spots = db.relationship('Spot', backref='lot', lazy=True)
```

Advice: Most chill Proctor ever! Won a Lottery in him

See reviews Level1_128 MAD1 Level 1

Aug 16, 2026

Download all Download all

Copy set link

1
Asked me to write some basic flask codes

Times asked 1
Official solution

SimpleLive Flask coding: chhota route likho, save, browser/curl se test. Syntax error terminal mein padho.
Example
```
@app.route('/ping')
def ping():
    return jsonify(ok=True)

@app.route('/even/<int:n>')
def even(n):
    return 'even' if n % 2 == 0 else 'odd'
```

Advice: Very polite and chill guy

See reviews APPDEV_LEVEL1_VIVA35 MAD1 Level 1

Aug 16, 2026

Download all Download all

Copy set link

1
show git collaborator

Times asked 2
Official solution

SimpleGitHub repo open karo: commits, collaborators, README. Examiner check karta hai tumne khud kaam kiya.
Example
```
Settings → Collaborators
Commits: regular messages, last-day dump nahi.
```
Viva tipPrivate repo access pehle de do. Main branch submitted ZIP se match honi chahiye.
2
open models.py

Times asked 1
Official solution

Simplemodels.py = har table ki class: columns, PK/FK, relationships. Yeh Model layer hai.
Suggested flow1) Classes list karo
2) Har table ka kaam 1 line
3) Relationships (1-M / M-M)
4) Constraints (unique, nullable)
Example
```
class Lot(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(80), nullable=False)
    spots = db.relationship('Spot', backref='lot', lazy=True)
```
3
what is db.Relationship

Times asked 1
Official solution

Simpledb.relationship se object graph: lot.spots, booking.user. backref reverse side auto deta hai.
Example
```
spots = db.relationship('Spot', backref='lot', cascade='all, delete-orphan')
```
4
write an app route on notepad for a new user finish

Times asked 1
Official solution

SimpleLive Flask coding: chhota route likho, save, browser/curl se test. Syntax error terminal mein padho.
Example
```
@app.route('/ping')
def ping():
    return jsonify(ok=True)

@app.route('/even/<int:n>')
def even(n):
    return 'even' if n % 2 == 0 else 'odd'
```

Advice: the viva lasted for only 15-20 minutes and she was really sweet and calm, lets you finish first when you are speaking and also she won't ask much questions if you answer her well. in my case i answered 1 theory she asked and wrote the code really well so she complimented me that i had good knowledge of my code and wished me luck for level 2.

Viva Prep

Who are we?

Find questions

Question sets

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers

No community answers yet

My solution

Community answers